Method of making elastomeric cushion pad

Details Method of making elastomeric cushion pad Method of making elastomeric cushion pad

1988-05-27

1989-11-28

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

Dividing work to form plural articles

156264, 264294, 264320, B29C 4302

Patent

active

048836273

ABSTRACT:
A method for making elastomeric cushion pads which can be used in off-the-road vehicles and in the draft gears of railroad cars. The method includes solidifying a molten mass of the elastomer under a pressure of at least 1000 psi to form an elongated slug of the elastomer which is then cut into a plurality of unfinished cushion pads which are then individually momentarily compressed to remove any permanent set or deformation of the pads which occurs when an uncompressed pad is initially compressed.

REFERENCES:
patent: 2231769 (1941-02-01), Merrill
patent: 2549144 (1951-04-01), Truscott
patent: 3079642 (1963-03-01), Needham et al.
patent: 4198037 (1980-03-01), Anderson
patent: 4608213 (1986-08-01), Kurumizawa et al.

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